Formaldehyde solution 06

2022-03-02 269

Illustrative formula:HCHO Molecular weight:thirty.00Common name:blessingMalin

nature:This product is colorless, pungent and malodorous liquid, which is easy to polymerize at low temperature to form white precipitate insoluble in water; Usually reagent addition8-1four%, industrial products plus 9-1three% methanol as polymerization inhibitor. thirty-seven% solution relative density 1.07five-1.08five, boiling point 101, water soluble; It is flammable and has the risk of combustion in case of fire and heat source; Methanol freeThe flash point of thirty-seven% formaldehyde solution is 8five; Violent reaction in contact with oxidant; It has high toxicity, strong irritation and corrosivity. It belongs to other corrosive articles, and the UN number isUN1198。

Purpose:It is one of the important organic chemical raw materials. It is widely used in the preparation of polyformaldehyde resin, phenolic resin, urea formaldehyde resin, melamine resin, nylon fiber and other organic synthesis industries.

Product quality:Meet the following standards (analytical purity)

check Test items

GB/Ttwo7five0-two thousand and twostandard

Q/SWtwo7five0-two thousand and fivestandard

Outside view

Colorless Transparent Liquid , a small amount of precipitation or turbidity caused by low temperature condensation of formaldehyde is allowed during storage.

Colorless Transparent Liquid 。

content(HCHO ), %

thirty-seven.0-four0.0

thirty.0-thirty.five

methanol(CHthreeOH), %

8-1four%

≤0.two

Acidity (in)H+(total), mmol/100g

0five

0five

Burning residue, %

00three

00three

Iron(Fe, %

00001

00001

Heavy metals (in)Pb(total), %

0000two

00001

Chloride (in)Cl(total), %

0001

0001

Sulfate (in)SOfour(total), %

000four

000four

Packing and storage :Reagent formaldehyde solution has the following three packages::

1)five00ml瓶装,每箱two0瓶。

two)twofive00ml瓶装,每箱four瓶。

three)twofive-two00Kg桶装。

It shall be stored in a dry and ventilated warehouse,two1-twofiveBetter. It is easy to oligomerize at low temperature and should not be stored for too long.

Valid for six months.